Specifications U.S. high quality,Chinese good price  Standard span 6m 
Economical and practical 
Simple installation    General description   Span width: 8m   Section width: 2m   Sidewall height: 1.8m   Peak height : 4.2m Features    Material are pre-galvanized steel sheet tube   Roof connector and screw anchor are hot dipped galvanized     42mm diameter hot dipped galvanized ground stakes   42mm diameter pre- galvanized bows     42mm diameter pre- galvanized pipe purlin on both ends of roof ridge                                       32mm diameter Side wall wind brace       32mm diameter top angle wind brace            32mm diameter canopy   Φ3.8 x11m Steel wire connecting ground stakes along each sidewall   All of fasteners /accessories and hooks , film pressing belts   The reason to Chose our High Tunnel     The simple and economic solution to protect outdoor crops against rain, wind, insects etc.A low cost structure made of galvanized tubes, connectors and long lasting greenhouse film. The roof film is fixed on the structure with tension cables. The film can be lifted up and down manually to allow ventilation. Excess rain water will drop down between each bay, but your crop remians dry.    Easy to build and rebuild with screw anchors or Ground tube Film protected by heavy duty tension cables
Saving in chemical and pesticide cost
Widely used to advance short season crops like strawberries and most vegetables
Increase yield   U.S. brand and high quality